}

  public void testParse_recordStatsRepeated() {
    assertThrows(IllegalArgumentException.class, () -> parse("recordStats,recordStats"));
  }

  public void testParse_accessExpirationAndWriteExpiration() {
    CacheBuilderSpec spec = parse("expireAfterAccess=10s,expireAfterWrite=9m");
    assertThat(spec.writeExpirationTimeUnit).isEqualTo(MINUTES);
    assertThat(spec.writeExpirationDuration).isEqualTo(9L);